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Space

We've found a bunch of dwarf galaxies we thought didn't exist

By Jesse Emspak

27 November 2017

Galaxies

There you are

NASA, ESA, and E. Tollerud (STScI)

The so-called missing satellites problem has been solved. Based on our models of how dark matter clumps together, we know there ought to be more small satellite galaxies around the Milky Way than we have seen. But we haven’t been able to find them.

Now, there is a simple answer: they were there all along, we just missed them.

at Ohio State University in Columbus and her team pored through the data from the (SDSS) and found that extrapolating from the number…

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